Compact PIR Motion Sensor Module for Precise Human Detection Key benefits Reliable human motion detection up to 16 feet with a 110degree sensing angle using pyroelectric infrared technology. Detects movement with clear directional coverage for occupancy sensing and trigger events. Wide voltage compatibility from 2.7V to 12V DC. Works with a broad range of power sources and system designs, making integration into existing circuits simple. Ultralow power consumption extends battery life and supports long term operation in battery powered or energy sensitive applications. Mini form factor measuring 0.8 x 0.6 x 0.4 inches. Small size fits space constrained installations and compact devices while enabling discreet placement. How this solves problems Reduces false triggers and missed events thanks to focused sensing angle and human motion tuning, improving overall system reliability. Simplifies power design by accepting a wide DC voltage range, removing the need for complex power conversion in many projects. Extends maintenance intervals for battery operated systems by minimizing energy draw. Allows installation in tight or hidden locations where larger sensors will not fit, preserving product design and user experience. Performance and compatibility Function: human motion detection using pyroelectric infrared sensing. Power: operates across 2.7V to 12V DC input range. Size: 0.8 x 0.6 x 0.4 inches compact module. Efficiency: designed for ultralow current consumption for long term deployment. Typical applications Smart lighting and energy saving fixtures where presence detection activates lights only when needed. Battery powered IoT sensors and alarm modules that require long runtime and compact footprints. Access control, automatic doors, and occupancy monitoring in compact devices or retrofits. This sensor module provides a balance of sensitivity, low power use, voltage flexibility, and minimal size for dependable integration into a variety of motion sensing applications.